*{
    box-sizing: border-box;
}
html,body{
    padding: 0;
    margin: 0;
    border: 0;
}
header{
    width: 100%;
    height: 80px;
}
.header-in{
    width: 1170px;
    height: 80px;
    margin: 0 auto;
}
.navbar-brand{
    display: block;
    height: 80px;
}
.header-logo{
    width: 162px;
    float: left;
}
.header-daohang{
    width: 1000px;
    height: 80px;
    float: left;
    margin: 0;
    padding-left:10px;

}
.navbar-nav{
    height: 80px;
    font-size: 20px;
}
.header-daohang .navbar-nav li a{
    height: 80px;
    line-height: 60px;
    color: black;
}
.navbar-nav:nth-of-type(2) li a{
    font-size: 12px;
}
.navbar-nav li a:hover{
    color: blue;
}
.header-zidaohang{
    height: 50px;
    width: 100%;
    background: #3a82c4;
    position: absolute;

}
.header-zidaohang li a{
    color: white;
    padding:15px;
    font-size: 18px;
    text-align: center;
    min-width: 110px;
}
.header-zidaohang li a:hover{
    background: #275faf;
    color: white;
}
.erweima{
    width: 120px;
    height: 120px;
    background: url(../img/header.png) -325px -115px no-repeat;
    position: absolute;
    top: 60px;
    left: 1320px;
    display: none;
}
.container-fluid li a:hover{
    background: white;
    color:cornflowerblue;
}
